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AEROSIL® fumed silica product recommendations for lubricants and lubricating greases

AEROSIL® fumed silica product recommendation based on desired effect (for Greases):

 

Viscosity

Oil Separation

Cone Penetration

Dropping point

Base Oil

Hydro-

phobicity

Good

Best

Good

Best

Good

Best

Good

Best

Mineral
oil

Hydrophilic

AEROSIL® 200

AEROSIL® 300

Good with
all types

Good with
all types

Good
with
all types

Good with
all types

No DP with
all types

No DP with
all types

Hydrophobic

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 202

+++

AEROSIL® R 974

+

AEROSIL® R 202

+++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

Polya-
lphaolefin
(PAO)

Hydrophilic

AEROSIL® 200

AEROSIL® 150

Good with
all types

Good with
all types

Good
with
all types

Good with
all types

No DP with
all types

No DP with
all types

Hydrophobic

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

AAEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

Naph-
thenic
oil

Hydrophilic

AEROSIL® 300

AEROSIL® 200

Good with
all types

Good with
all types

Good
with
all types

Good
with
all types

No DP with
all types

No DP with
all types

Hydrophobic

AEROSIL® R 106

++

AEROSIL® R 202

+++

AEROSIL® R 106

++

AEROSIL® R 202

+++

AEROSIL® R 974

+

AEROSIL® R 202

+++

AEROSIL® R 805

+++

AEROSIL® R 816

+

Animal
fat

Hydrophilic

AEROSIL® 200

AEROSIL® 150

Good with
all types

Good with
all types

Good
with
all types

Good with
all types

No DP with
all types

No DP with
all types

Hydrophobic

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

Silicone
oil

Hydrophilic

AEROSIL® 300

AEROSIL® 200 HV

Good with
all types

Good with
all types

Good
with
all types

Good with
all types

AEROSIL® 300

AEROSIL® 200 HV

Hydrophobic

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

AEROSIL® R 974

+

AEROSIL® R 106

++

No DP with all
types

No DP with all
types

+ = Low Hydrophobicity ++ = Medium Hydrophobicity +++ = High Hydrophobicity

Premium product recommendations:
  • AEROSIL® R 816: Provides overall the best effects in most base oil systems and gives outstanding stability

  • AEROSIL® R 805: Provides excellent performance in oil separation and cone penetration due to high hydrophobicity as well as giving outstanding stability.

Evonik supports you in selecting the best suited AEROSIL® product and optimizing current formulations through our Application Technology Group.
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